81431273

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{6113}}^1$

素因数の和:6304

約数の個数: 16

約数和(自身を含む): 102128256

約数和(自身を除く): 20696983

約数列:

[1, 7, 11, 77, 173, 1211, 1903, 6113, 13321, 42791, 67243, 470701, 1057549, 7402843, 11633039, 81431273]

約数ペア:

[(1, 81431273), (7, 11633039), (11, 7402843), (77, 1057549), (173, 470701), (1211, 67243), (1903, 42791), (6113, 13321)]